Joseph Michelitz, Gassendorf - Drohobycs - Lviv

Joseph Michelitz, Gassendorf - Drohobycs - Lviv

I am looking for the archives of a village named Gassendorf in Eastern Europe (Ukrainia - Drohobycs - Oblast de Lviv).I am looking for some documents from 1715 to 1836 about the ascendants of Joseph Michelitz.Thank you for your helps.Best regards, R. Michelitz